K78L15-500 [MORNSUN]
DC-DC Regulated Power Supply Module;
| 型号： | K78L15-500 |
| 厂家： | 
MORNSUN SCIENCE& TECHNOLOGY LTD. |
| 描述： | DC-DC Regulated Power Supply Module |
| 文件： | 总5页 (文件大小：229K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
K78LXX-500 Series
WIDE INPUT NON-ISOLATED REGULATED
POSITIVE OR NEGATIVE OUTPUT
Patent Protection RoHS
FEATURES
PRODUCT PROGRAM
Input Voltage (VDC)
Output
Efficiency (%)
Vin (Min) Vin (Max)
● Efficiency up to 96%
●Temperature range: -40°C to +85°C
● No heat sink required
Part
Number
Voltage
(VDC)
Normal
Range
Current (mA)
12
12
12
12
24
12
24
12
24
12
24
12
4.5-30
4. 5-27
6.5-30
6.0-25
8-30
3.3
-3.3
5.0
-5.0
6.5
-6.5
9.0
-9.0
12
500
-400
500
90
75
94
80
95
82
95
82
96
83
96
80
77
73
81
79
85
81
89
84
92
85
93
86
● Pin-out compatible with LM78XX linears
● Short circuit protection, Thermal shutdown
● Low ripple and noise
● SIP package
● Industry standard pinout
K78L03-500
K78L05-500
K78LX6-500
K78L09-500
K78L12-500
K78L15-500
-400
500
● MTBF>2,000,000 hours
6.0-23
11-30
6.0-21
15-30
6.0-18
18-30
6.0-15
-300
500
● The K78xx-500 Series converters can also
be used to convert a positive voltage into a
negative voltage.
-300
500
-12
15
-200
500
-15
-200
OUTPUT SPECIFICATIONS
Item
Test Conditions
Min.
Typ.
±2
Max.
±3
Units
APPLICATIONS
Output Voltage accuracy
Line regulation*
Load regulation
Input voltage range at full load
Input voltage range at full load
Normal input ,10% to 100% load
20MHZ Bandwidth
The K78LXX-500 Series high efficiency
switching regulators are ideally suited to replace
78xx linear regulators and are pin compatible. The
efficiency of up to 96% means that very little
energy is wasted as heat so there is no need for
any heat sinks with their additional space and
mounting costs.
%
±0.3
±0.5
20
±0.5
±0.75
35
Ripple Noise
mVp-p
W
Short Circuit Input Power
Short circuit protection
0.5
1.8
Continuous, automatic recovery
Positive Output
5
7
13
15
Quiescent current
mA
Negative Output
Output current limit
Normal input voltage
Internal IC junction
-40 °C to +85 °C ambient
2000
160
Thermal Shutdown
°C
%/°C
μF
Temperature coefficient
Max capacitance load
* K78L03-500 is ±1.0% (Max)
0.02
1000
MODEL SELECTION
K78L05-500
COMMON SPECIFICATIONS
Output Current
Output Voltage
Product Series
Item
Test Conditions
Min.
-40
Typ.
Max.
95
Units
%
Storage humidity range
Operating temp. range
Operating case temperature
Storage temp. range
Lead temperature
85
100
125
300
°C
-55
1.5mm from case for 10 seconds
Cooling
Free Air Convection
Plastic (UL94-V0)
Case material
MTBF
MORNSUN America
43 Broad Street
Hudson, MA 01749
Tel: 978-567-9610
+25°C, MIL-HDBK-217F
2000
K hours
g
Package weight
Note:
2.0
Fax: 978-567-9601
Http://www.mornsunamerica.com
1. All specifications measured at TA=25°C, humidity<75%, nominal input voltage and rated output load unless
otherwise specified.
2. In this datasheet, all the test methods of indications are based on corporate standards.
The copyright and authority for the interpretation of the products are reserved by Mornsun
Specifications subject to change without notice.
K78LXX-500 Series A/0-2009 Page 1 of 5
TYPICAL TEMPERATURE CURVE
EXTERNAL CAPACITOR TABLE
Temperature Derating Graph
Part
C1,C3
C2,C4
Number
(ceramic capacitor) (ceramic capacitor)
K78L03-500
K78L05-500
K78LX6-500
K78L09-500
K78L12-500
K78L15-500
10uF/50V
10uF/50V
10uF/50V
10uF/50V
10uF/50V
10uF/50V
22uF/16V
22uF/16V
10uF/16V
10uF/16V
10uF/25V
10uF/25V
Operating Temp.( C )
STANDARD APPLICATION CIRCUIT
Vin
+Vout
1
3
+ Vi n
GND
K78LXX-500
2
+Vout
GND
1
3
K78LXX-500
2
C4
C3
C2
C1
GND
1
3
K78LXX-500
2
GND
+Vin
GND
C2
C1
3
1
-Vout
K78LXX-500
2
Note :
1.C1 and C2 are required and should be fitted close to the converter p ins.
2.T he capacitance of C1 ,C2 ,C3,C4 sees exte rnal capaci tor table,it can be increased
properly if required, and tantalum or low ESR electrolytic capacito rs may also suffice.
3.No parallel connection or plug and play.
C2
C1
-Vout
PACKAGE STYLE AND PINNING
RECOMMENDED FOOTPRINT
MECHANICAL DIMENSIONS
11.50 [0.453]
1
2
3
1
2
3
(Bottom View)
1.00 [ 0.039]
2.54 [0.100]
(Side View)
TUBE OUTLINE DIMENSIONS
10.20 [0.402]
4.10 [0.161]
9.40 [0.370]
0.50 [0.020]
5.08 [0.200]
Note:
Unit:mm[inch]
Pin section tolerances: 0.10mm[ 0.004inch]
General tolerances: 0.25mm[ 0.010inch]
0.60 [0.024]
FOOTPRINT DETAILS
Negative
+Vin
Pin
1
Positive
+Vin
4.70 [0.185]
Note:
Unit :mm[inch]
-Vout
2
GND
General tolerances: 0.50mm[ 0.020inch]
GND
3
+Vout
L=530mm[20.866inch] Tube Quantity: 43pcs
L=220mm[8.661inch] Tube Quantity: 17pcs
The copyright and authority for the interpretation of the products are reserved by Mornsun
Specifications subject to change without notice.
K78LXX-500 Series A/0-2009 Page 2 of 5
CHARACTERISTIC CURVE (TA=25°C)
1
Efficiency and Output Voltage Ripple
Ripple(mV)
50
Efficiency(%)
100
90
80
70
60
50
40
30
20
10
0
45
40
35
30
25
20
15
10
5
K78L03-500
K78L05-500
K78LX6-500
K78L09-500
K78L12-500
K78L15-500
K78L03-500
K78L05-500
K78LX6-500
K78L09-500
K78L12-500
K78L15-500
0
Load(mA)
20 40 60 100 140 180 220 260 300 340 380 420 460 500 550
Load
20 60 100 140 180 220 260 300 340 380 420 460 500 550
Efficiency VS Output Load (Vin=Norm)
Output Voltage Ripple VS Output Load (Vin=Norm)
Efficiency(%)
100
Ripple(mV)
50
95
90
85
80
75
70
65
60
55
50
45
45
40
35
K78L03-500
K78L05-500
K78LX6-500
K78L09-500
K78L12-500
K78L15-500
K78L03-500
K78L05-500
K78LX6-500
K78L09-500
K78L12-500
K78L15-500
30
25
20
15
10
5
0
4.5 6.5
8
10 11 12 15 18 20 22 24 26 28 30 Vin(V)
Vin(V)
8 10 11 12 15 16 18 20 22 24 26 28 30
4.5 6.5
Efficiency VS Input Voltage (Full Load)
Output Voltage Ripple VS Input Voltage (Full Load)
2
Start-up Waveform
K78L03-500
K78L05-500
Vin=12Vdc, Out=3.3V/500mA, Cin=10μF, Co=22μF
Vin=12Vdc, Out=5V/500mA , Cin =10μF, Co=22μF
CH1:1V/div, Time:5ms/div
CH1:1V/div, Time:5ms/div
K78LX6-500
K78L09-500
Vin=24Vdc, Out=6.5V/500mA, Cin=10μF, Co=10μF
Vin=24Vdc, Out=9V/500mA, Cin=10μF, Co=10μF
CH1:2V/div, Time:5ms/div
CH1:2V/div, Time:5ms/div
The copyright and authority for the interpretation of the products are reserved by Mornsun
Specifications subject to change without notice.
K78LXX-500 Series A/0-2009 Page 3 of 5
K78L12-500
K78L15-500
Vin=24Vdc, Out=12V/500mA, Cin=10μF, Co=10μF
Vin=24Vdc, Out=15V/500mA, Cin=10μF, Co=10μF
CH1:2V/div, Time:10ms/div
CH1:5V/div, Time:10ms/div
3
Load Transient Response
K78L03-500
K78L05-500
Vin=12Vdc, Vout=3.3V, Cin=10μF, Co=22μF
Vin=12Vdc, Vout=5V , Cin =10μF, Co=22μF
CH1: Vout, 200mV/div
CH2: ILoad, 500mA/div
Time: 500μs/div
CH1: Vout, 200mV/div
CH2: ILoad, 500mA/div
Time: 500μs/div
K78LX6-500
K78L09-500
Vin=24Vdc, Vout=6.5V, Cin=10μF, Co=10μF
Vin=24Vdc, Vout=9V, Cin=10μF, Co=10μF
CH1:Vout, 200mV/div
CH2:ILoad, 500mA/div
Time: 500μs/div
CH1: Vout,200mV/div
CH2: ILoad,500mA/div
Time: 500μs/div
K78L12-500
K78L15-500
Vin=24Vdc, Vout=12V, Cin=10μF, Co=10μF
Vin=24Vdc, Vout=15V, Cin=10μF, Co=10μF
CH1: Vout, 200mV/div
CH2: ILoad, 500mA/div
Time: 500μs/div
CH1: Vout, 200mV/div
CH2: ILoad, 500mA/div
Time: 500μs/div
The copyright and authority for the interpretation of the products are reserved by Mornsun
Specifications subject to change without notice.
K78LXX-500 Series A/0-2009 Page 4 of 5
TEST CONFIGURATIONS (TA=25°C)
1
Efficiency and Output Voltage Ripple Test
25.4mm
25.4mm
12.7mm
Vin
+Vout
DC/DC
Converter
Copper strip
3
1
1μ F
10μF
2
C2
C1
Scope
Ceramic Tantalum
GND
Copper strip
2
Start-up and Load Transient Response Test
50.8 mm
Vin
+Vout
DC/DC
Converter
Copper strip
Copper strip
3
1
2
C2
Scope
C1
GND
OUTPUT RIPPLE REDUCTION
To reduce output ripple, it is recommended to add a LC filter in output port.
L: Recommended parameter 10μH ~ 47μH.
L
Vin
+Vout
DC/DC
Converter
3
1
2
C1
C2
22μ F
GND
The copyright and authority for the interpretation of the products are reserved by Mornsun
Specifications subject to change without notice.
K78LXX-500 Series A/0-2009 Page 5 of 5
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